UltraVNC Code Execution Vulnerability

UltraVNC is an open source remote terminal control software for the Windows platform. A security vulnerability exists in the VNC server code in UltraVNC version 1211. An attacker could exploit the vulnerability to execute code...

CVE-2019-8265

UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of SETPIXELS macro in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in...

CVE-2019-8272

UltraVNC revision 1211 has multiple off-by-one vulnerabilities in VNC server code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212...

CVE-2019-8273

UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer request handler, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212...

UltraVNC Buffer Overflow Vulnerability

UltraVNC is an open source remote terminal control software for the Windows platform. A buffer overflow vulnerability exists in the VNC client code in UltraVNC version 1198. An attacker could exploit this vulnerability to execute code...

CVE-2018-15361

UltraVNC revision 1198 has a buffer underflow vulnerability in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199...

The vulnerability of the VNC Repeater component of the LibVNC library, which allows a hacker to disclose protected information

The vulnerability of the VNC Repeater component in the client library LibVNC is related to initialization errors. Exploiting this vulnerability can allow a malicious actor to disclose protected information remotely...

The vulnerability of the LibVNC library, related to reading data beyond the specified buffer, allows a hacker to execute arbitrary code.

The vulnerability of the LibVNC library relates to the reading of data beyond the specified buffer. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability of Siemens Sinumerik programmable logic controllers lies in the integer overflow that occurs in the VNC server. This allows a perpetrator to execute arbitrary code with privileged privileges.

The vulnerability of Siemens Sinumerik programmable logic controllers is related to a numerical overflow in the VNC server. Exploiting this vulnerability allows a remote attacker to execute arbitrary code with privileged privileges by sending specially crafted packets to port 5900/TCP...

The vulnerability of Siemens Sinumerik programmable logic controllers is related to an error in processing network packets by the VNC server. This error allows a intruder to trigger a service failure of the VNC server.

The vulnerability of Siemens Sinumerik programmable logic controllers is related to an error in processing network packets by the VNC server. Exploiting this vulnerability allows a malicious actor to cause a service failure on the VNC server by sending specially crafted packets to port 5900/TCP...

LibVNC Improper Initialization Vulnerability

LibVNC is a cross-platform C library for implementing VNC server and client functionality. A security vulnerability exists in the VNC client code in versions prior to LibVNC 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838, which stems from incorrect initialization of the program. An attacker could explo...

LibVNC Null Pointer Reverse Reference Vulnerability

LibVNC is a cross-platform C library for implementing VNC server and client functionality. A null pointer back-reference vulnerability exists in VNC client code in versions prior to LibVNC commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7. An attacker could exploit this vulnerability to cause a...

DEBIAN-CVE-2018-20022

LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak...

UBUNTU-CVE-2018-20019

LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound write vulnerabilities in VNC client code that can result remote code execution...

Multiple Siemens Products Denial of Service Vulnerabilities

Siemens SINUMERIK 808D and so on are the German Siemens Siemens company's CNC machine tool system controller. A security vulnerability exists in several Siemens products. A remote attacker could exploit this vulnerability by using the integrated VNC server on port 5900/tcp to cause a denial of...

Qemu: memory exhaustion through framebuffer update request message in VNC server

VNC server implementation in Quick Emulator QEMU was found to be vulnerable to an unbounded memory allocation issue, as it did not throttle the framebuffer updates sent to its client. If the client did not consume these updates, VNC server allocates growing memory to hold onto this data. A...

ALPINE-CVE-2016-9603

A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this fla...

UBUNTU-CVE-2018-7225

An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact e.g., an integer overflow via specially crafted VNC packets...

QEMU Denial of Service Vulnerability (CNVD-2018-03060)

QEMU aka Quick Emulator is a set of simulation processor software developed by French programmer Fabrice Bellard. The software is fast and cross-platform. A security vulnerability exists in the VNC server implementation in versions of QEMU prior to 2.14.3, which stems from the program's failure t...

Multiple Vmware Product Stack Overflow Vulnerabilities

VMware ESXi, Workstation, and Fusion are all products of VMware, Inc. VMware ESXi is a server virtualization platform that can be installed directly on physical servers; VMware Workstation is a suite of virtual machine software; and Fusion is a suite of virtual machine software that is designed t...